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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest/QtTest>
#include <QtCore/qendian.h>
class tst_QtEndian: public QObject
{
Q_OBJECT
private slots:
void fromBigEndian();
void fromLittleEndian();
void toBigEndian();
void toLittleEndian();
};
struct TestData
{
quint64 data64;
quint32 data32;
quint16 data16;
quint8 data8;
quint8 reserved;
};
union RawTestData
{
uchar rawData[sizeof(TestData)];
TestData data;
};
static const TestData inNativeEndian = { Q_UINT64_C(0x0123456789abcdef), 0x00c0ffee, 0xcafe, 0xcf, '\0' };
static const RawTestData inBigEndian = { "\x01\x23\x45\x67\x89\xab\xcd\xef" "\x00\xc0\xff\xee" "\xca\xfe" "\xcf" };
static const RawTestData inLittleEndian = { "\xef\xcd\xab\x89\x67\x45\x23\x01" "\xee\xff\xc0\x00" "\xfe\xca" "\xcf" };
#define EXPAND_ENDIAN_TEST(endian) \
do { \
/* Unsigned tests */ \
ENDIAN_TEST(endian, quint, 64); \
ENDIAN_TEST(endian, quint, 32); \
ENDIAN_TEST(endian, quint, 16); \
ENDIAN_TEST(endian, quint, 8); \
\
/* Signed tests */ \
ENDIAN_TEST(endian, qint, 64); \
ENDIAN_TEST(endian, qint, 32); \
ENDIAN_TEST(endian, qint, 16); \
ENDIAN_TEST(endian, qint, 8); \
} while (false) \
/**/
#define ENDIAN_TEST(endian, type, size) \
do { \
QCOMPARE(qFrom ## endian ## Endian( \
(type ## size)(in ## endian ## Endian.data.data ## size)), \
(type ## size)(inNativeEndian.data ## size)); \
QCOMPARE(qFrom ## endian ## Endian<type ## size>( \
in ## endian ## Endian.rawData + offsetof(TestData, data ## size)), \
(type ## size)(inNativeEndian.data ## size)); \
} while (false) \
/**/
void tst_QtEndian::fromBigEndian()
{
EXPAND_ENDIAN_TEST(Big);
}
void tst_QtEndian::fromLittleEndian()
{
EXPAND_ENDIAN_TEST(Little);
}
#undef ENDIAN_TEST
#define ENDIAN_TEST(endian, type, size) \
do { \
QCOMPARE(qTo ## endian ## Endian( \
(type ## size)(inNativeEndian.data ## size)), \
(type ## size)(in ## endian ## Endian.data.data ## size)); \
\
RawTestData test; \
qTo ## endian ## Endian( \
(type ## size)(inNativeEndian.data ## size), \
test.rawData + offsetof(TestData, data ## size)); \
QCOMPARE(test.data.data ## size, in ## endian ## Endian.data.data ## size ); \
} while (false) \
/**/
void tst_QtEndian::toBigEndian()
{
EXPAND_ENDIAN_TEST(Big);
}
void tst_QtEndian::toLittleEndian()
{
EXPAND_ENDIAN_TEST(Little);
}
#undef ENDIAN_TEST
QTEST_MAIN(tst_QtEndian)
#include "tst_qtendian.moc"
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